Spectra GS L4-1.8L (2002): Powertrain Management

Also for this vehicle: Spectra GSX L4-1.8L (2000), Spectra L4-2.0L (2004).

Diagnostics Maintenance Engine Transmission Brakes Electrical Steering & suspension Heating & A/C Body & interior

Choose Sections to see everything in a chapter, or a chapter title to start at its first page.

01Relays and Modules Relays and Modules: Sections
02Sensors and Switches Sensors and Switches: Sections
03Maintenance Maintenance: Sections
04Engine, Cooling and Exhaust Engine, Cooling and Exhaust: Sections
05Powertrain Management Powertrain Management: Sections
- Relays and Modules - Powertrain Management47 pages
  - Relays and Modules - Computers and Control Systems43 pages
    Engine Control Module › Component Information41 pages
    Technical Service Bulletins › A/T - Adaptive Logic and Relearn Procedure2 3 4 5
    Locations › B-1a - Engine Control System2 3 4 5 6 7 8 9 10
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…26
    Main Relay (Computer/Fuel System) › Component Information › Locations2
  - Relays and Modules - Fuel Delivery and Air Induction4 pages
    Fuel Pump Relay › Component Information › Locations2
    Main Relay (Computer/Fuel System) › Component Information › Locations2
- Sensors and Switches - Powertrain Management35 pages
  - Sensors and Switches - Computers and Control Systems22 pages
    Accelerator Pedal Position Sensor › Component Information › Technical Service Bulletins › Engine Controls - Engine Management DTCs P2135 and P2138
    Air Flow Meter/Sensor › Component Information4 pages
    Testing and Inspection
    Service and Repair › Emission Control System2 3
    Camshaft Position Sensor › Component Information › Description and Operation2
    Crankshaft Position Sensor › Component Information › Description and Operation2
    Intake Air Temperature Sensor › Component Information › Locations
    Knock Sensor › Component Information › Technical Service Bulletins › Engine Controls - Knock Sensor Torque
    Oxygen Sensor › Component Information4 pages
    Locations
    Testing and Inspection › Heated Oxygen Sensors2 3
    Throttle Position Sensor › Component Information3 pages
    Technical Service Bulletins › Engine Controls - Diagnostic Trouble Code P0121
    Service and Repair › Emission Control System2
    Transmission Position Switch/Sensor, A/T › Component Information › Testing and Inspection2
    Vertical Acceleration Sensor › Component Information › Testing and Inspection2
  - Sensors and Switches - Fuel Delivery and Air Induction8 pages
    Accelerator Pedal Position Sensor › Component Information › Technical Service Bulletins › Engine Controls - Engine Management DTCs P2135 and P2138
    Air Flow Meter/Sensor › Component Information4 pages
    Testing and Inspection
    Service and Repair › Emission Control System2 3
    Throttle Position Sensor › Component Information3 pages
    Technical Service Bulletins › Engine Controls - Diagnostic Trouble Code P0121
    Service and Repair › Emission Control System2
  - Sensors and Switches - Ignition System5 pages
    Camshaft Position Sensor › Component Information › Description and Operation2
    Crankshaft Position Sensor › Component Information › Description and Operation2
    Knock Sensor › Component Information › Technical Service Bulletins › Engine Controls - Knock Sensor Torque
- Tune-up and Engine Performance Checks23 pages
  - Fuel Pressure › System Information4 pages
    Specifications
    System Diagnosis › Fuel Pressure Hold Inspection2 3
  - Idle Speed › System Information › Specifications2
  - Air Cleaner Housing4 pages
    Air Cleaner Fresh Air Duct/Hose › Component Information › Service and Repair
    Air Filter Element › Component Information3 pages
    Testing and Inspection
    Service and Repair › Emission Control System2
  - Fuel Filter › Fuel Pressure Release › System Information3 pages
    Service Precautions
    Service and Repair › Releasing Fuel System Pressure2
  - Firing Order › Component Information › Specifications
  - Ignition Timing › Number One Cylinder › Component Information › Locations
  - Ignition Cable › Component Information › Description and Operation2
  - Spark Plug › Component Information › Specifications2 3 4
  - Compression Check › System Information › Specifications
  - Valve Clearance › System Information › Specifications
- Computers and Control Systems148 pages
  - Accelerator Pedal Position Sensor › Component Information › Technical Service Bulletins › Engine Controls - Engine Management DTCs P2135 and P2138
  - Air Flow Meter/Sensor › Component Information4 pages
    Testing and Inspection
    Service and Repair › Emission Control System2 3
  - Intake Air Temperature Sensor › Component Information › Locations
  - Camshaft Position Sensor › Component Information › Description and Operation2
  - Crankshaft Position Sensor › Component Information › Description and Operation2
  - Data Link Connector › Component Information16 pages
    Locations › Connector Locations2
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14
  - Engine Control Module › Component Information41 pages
    Technical Service Bulletins › A/T - Adaptive Logic and Relearn Procedure2 3 4 5
    Locations › B-1a - Engine Control System2 3 4 5 6 7 8 9 10
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…26
  - Idle Speed/Throttle Actuator - Electronic › Component Information › Testing and Inspection2
  - Knock Sensor › Component Information › Technical Service Bulletins › Engine Controls - Knock Sensor Torque
  - Main Relay (Computer/Fuel System) › Component Information › Locations2
  - Oxygen Sensor › Component Information4 pages
    Locations
    Testing and Inspection › Heated Oxygen Sensors2 3
  - Relays and Modules - Computers and Control Systems43 pages
    Engine Control Module › Component Information41 pages
    Technical Service Bulletins › A/T - Adaptive Logic and Relearn Procedure2 3 4 5
    Locations › B-1a - Engine Control System2 3 4 5 6 7 8 9 10
    Diagrams › Diagram Information and Instructions2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20…26
    Main Relay (Computer/Fuel System) › Component Information › Locations2
  - Sensors and Switches - Computers and Control Systems22 pages
    Accelerator Pedal Position Sensor › Component Information › Technical Service Bulletins › Engine Controls - Engine Management DTCs P2135 and P2138
    Air Flow Meter/Sensor › Component Information4 pages
    Testing and Inspection
    Service and Repair › Emission Control System2 3
    Camshaft Position Sensor › Component Information › Description and Operation2
    Crankshaft Position Sensor › Component Information › Description and Operation2
    Intake Air Temperature Sensor › Component Information › Locations
    Knock Sensor › Component Information › Technical Service Bulletins › Engine Controls - Knock Sensor Torque
    Oxygen Sensor › Component Information4 pages
    Locations
    Testing and Inspection › Heated Oxygen Sensors2 3
    Throttle Position Sensor › Component Information3 pages
    Technical Service Bulletins › Engine Controls - Diagnostic Trouble Code P0121
    Service and Repair › Emission Control System2
    Transmission Position Switch/Sensor, A/T › Component Information › Testing and Inspection2
    Vertical Acceleration Sensor › Component Information › Testing and Inspection2
  - Throttle Position Sensor › Component Information3 pages
    Technical Service Bulletins › Engine Controls - Diagnostic Trouble Code P0121
    Service and Repair › Emission Control System2
  - Transmission Position Switch/Sensor, A/T › Component Information › Testing and Inspection2
  - Vertical Acceleration Sensor › Component Information › Testing and Inspection2
- Emission Control Systems41 pages
  - Catalytic Converter › Component Information4 pages
    Technical Service Bulletins › Engine Controls - DTC P0422
    Service and Repair › Warm-Up Three-Way Catalytic (TWC) Converter2 3
  - Evaporative Emissions System33 pages
    Canister Purge Solenoid › Component Information › Testing and Inspection
    Evaporative Emission Control Canister › Component Information › Testing and Inspection2
    Refueling Vapor Recovery System30 pages
    Refueling Control Valve, Evaporative System › Component Information › Service and Repair2
    Refueling Vapor Cut Valve › Component Information › Technical Service Bulletins28 pages
    All Technical Service Bulletins for Refueling Vapor Cut Valve: › 3CMP026 › May › 03 › Recall - ORVR Valve Replacement2 3 4 5 6 7 8 9 10 11 12 13 14
    Recalls for Refueling Vapor Cut Valve: › 3CMP026 › May › 03 › Recall - ORVR Valve Replacement2 3 4 5 6 7 8 9 10 11 12 13 14
  - Positive Crankcase Ventilation4 pages
    PCV Valve Hose › Component Information › Testing and Inspection2
    Positive Crankcase Ventilation Valve › Component Information › Testing and Inspection2
- Fuel Delivery and Air Induction81 pages
  - Fuel Pressure › System Information4 pages
    Specifications
    System Diagnosis › Fuel Pressure Hold Inspection2 3
  - Fuel Pressure Release › System Information3 pages
    Service Precautions
    Service and Repair › Releasing Fuel System Pressure2
  - Idle Speed › System Information › Specifications2
  - Accelerator Pedal Position Sensor › Component Information › Technical Service Bulletins › Engine Controls - Engine Management DTCs P2135 and P2138
  - Air Cleaner Housing4 pages
    Air Cleaner Fresh Air Duct/Hose › Component Information › Service and Repair
    Air Filter Element › Component Information3 pages
    Testing and Inspection
    Service and Repair › Emission Control System2
  - Air Flow Meter/Sensor › Component Information4 pages
    Testing and Inspection
    Service and Repair › Emission Control System2 3
  - Fuel Filter › Fuel Pressure Release › System Information3 pages
    Service Precautions
    Service and Repair › Releasing Fuel System Pressure2
  - Fuel Injector › Component Information6 pages
    Specifications2
    Testing and Inspection › Component Inspection2 3 4
  - Fuel Line Coupler › Component Information › Technical Service Bulletins › Fuel System- Quick Disconnect Fuel Lines2 3 4 5
  - Fuel Pressure Regulator › Component Information › Description and Operation2 3
  - Fuel Pump6 pages
    Fuel Pressure › System Information4 pages
    Specifications
    System Diagnosis › Fuel Pressure Hold Inspection2 3
    Fuel Pump Relay › Component Information › Locations2
  - Fuel Rail › Component Information › Description and Operation2
  - Fuel Return Line › Component Information3 pages
    Description and Operation
    Service and Repair › Fuel Line Handling2
  - Fuel Supply Line › Component Information3 pages
    Description and Operation
    Service and Repair › Fuel Line Handling2
  - Fuel Tank3 pages
    Fuel Filler Hose › Component Information › Service and Repair2
    Fuel Gauge Sender › Component Information › Description and Operation
  - Idle Speed/Throttle Actuator - Electronic › Component Information › Testing and Inspection2
  - Intake Air Duct › Component Information › Service and Repair
  - Main Relay (Computer/Fuel System) › Component Information › Locations2
  - Relays and Modules - Fuel Delivery and Air Induction4 pages
    Fuel Pump Relay › Component Information › Locations2
    Main Relay (Computer/Fuel System) › Component Information › Locations2
  - Resonator, Intake Air › Component Information › Service and Repair
  - Rollover Valve, Fuel Tank › Component Information › Service and Repair2 3 4
  - Sensors and Switches - Fuel Delivery and Air Induction8 pages
    Accelerator Pedal Position Sensor › Component Information › Technical Service Bulletins › Engine Controls - Engine Management DTCs P2135 and P2138
    Air Flow Meter/Sensor › Component Information4 pages
    Testing and Inspection
    Service and Repair › Emission Control System2 3
    Throttle Position Sensor › Component Information3 pages
    Technical Service Bulletins › Engine Controls - Diagnostic Trouble Code P0121
    Service and Repair › Emission Control System2
  - Throttle Body › Component Information › Technical Service Bulletins › Fuel System - Throttle Body Cleaning Procedure2 3
  - Throttle Cable/Linkage › Component Information › Technical Service Bulletins › Engine Controls - Diagnostic Trouble Code P0121
  - Throttle Position Sensor › Component Information3 pages
    Technical Service Bulletins › Engine Controls - Diagnostic Trouble Code P0121
    Service and Repair › Emission Control System2
- Ignition System23 pages
- Transmission Control Systems12 pages
  - Relays and Modules - Transmission and Drivetrain › Relays and Modules - A/T7 pages
    Control Module, A/T › Component Information › Technical Service Bulletins › A/T - Adaptive Logic and Relearn Procedure2 3 4 5 6
    Shift Interlock Control Module › Component Information › Locations
  - Sensors and Switches - Transmission and Drivetrain › Sensors and Switches - A/T5 pages
    Overdrive Switch, A/T › Component Information › Service and Repair2 3
    Transmission Position Switch/Sensor, A/T › Component Information › Testing and Inspection2
- PROM - Programmable Read Only Memory › Component Information › Technical Service Bulletins26 pages
  - All Technical Service Bulletins for PROM - Programmable Read Only Memory:13 pages
    3EN021 › Jan › 05 › Engine Controls - MIL ON/DTC P0121 Set2 3 4 5 6 7
    3EN009 › Mar › 03 › Engine Controls - Hard Engine Start Condition2 3 4 5 6
  - Customer Interest for PROM - Programmable Read Only Memory:13 pages
    3EN021 › Jan › 05 › Engine Controls - MIL ON/DTC P0121 Set2 3 4 5 6 7
    3EN009 › Mar › 03 › Engine Controls - Hard Engine Start Condition2 3 4 5 6
06Transmission and Drivetrain Transmission and Drivetrain: Sections
07Brakes and Traction Control Brakes and Traction Control: Sections
08Starting and Charging Starting and Charging: Sections
09Power and Ground Distribution Power and Ground Distribution: Sections
10Steering and Suspension Steering and Suspension: Sections
11Heating and Air Conditioning Heating and Air Conditioning: Sections
12Restraint Systems Restraint Systems: Sections
13Accessories and Optional Equipment Accessories and Optional Equipment: Sections
14Body and Frame Body and Frame: Sections
15Cruise Control Cruise Control: Sections
16Instrument Panel, Gauges and Warning Indicators Instrument Panel, Gauges and Warning Indicators: Sections
17Lighting and Horns Lighting and Horns: Sections
18Windows and Glass Windows and Glass: Sections
19Wiper and Washer Systems Wiper and Washer Systems: Sections